Dental floss holder



FIG. 1 is a perspective view of the dental floss holder according to the present invention;

FIG. 2 is a side view thereof;

FIG. 3 is a side view opposed from that of FIG. 2;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view. 

The ornamental design for a dental floss holder, substantially as shown and described. 